Home / 252,717,646.37-379,076,476.46-68,485,115.84

Finding the Fourth Proportional to 252,717,646.37, 379,076,476.46 and 68,485,115.84

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Solution

The fourth proportional to 252,717,646.37, 379,076,476.46 and 68,485,115.84 is: 102,727,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,717,646.37 : 379,076,476.46 = 68,485,115.84 : x
  2. Step 2: Convert to fraction form
    252,717,646.37/379,076,476.46 = 68,485,115.84/x
  3. Step 3: Cross multiply
    252,717,646.37x = 379,076,476.46 × 68,485,115.84
  4. Step 4: Simplify right side
    252,717,646.37x = 25,961,096,400,344,320
  5. Step 5: Solve for x
    x = 25,961,096,400,344,320/252,717,646.37
  6. Step 6: Final answer
    x = 102,727,675.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.